I accidentaly deleted some system files in "SYSTEM" directory.

Mobile phone is dead. I see only Nokia logo on begining.
:evil:

My options are ???

go to your nearest Nokia Service center and they know what to do... 8)

why you do that???? why??? ...... you may need to head to nokia care centre for their help ..

yes... I agree with these guys. go to a nokia service center. You cannot do anything with it now.